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zedex
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If a bullet exits a barrel at 3000fps. Does the breaking of the sound barrier by the bullet influence the BOOM that you hear.
Thank you.
Thank you.
But only some - it greatly increases errors due to things like wind and geometry (distance, height, etc). Firing a sniper rifle isn't actually all that much different than firing an artillery shell.Originally posted by Njorl
Actually, there are some silenced sniper rifles, but they use subsonic rounds. They are very interesting. They make up for some of the lost accuracy by imparting much more spin to the round.
Njorl
Originally posted by Decker
Does anyone know of some more general information on speeds, wind effects, etc, that go into sniping? It has always interested me (in a physics sort of way, of course).
Doesn't make a lot of sense that a subsonic would fire further than a supersonic round.Originally posted by FUNKER
i read this thread and happy because i have always wondered why they haven't been silenced in movies and wat not, so anyway in my hype i told a friend of mine who was a gun collector. He told me that the record held for the greatest distance a sniper rifle can fire was 2.6 km, this was held by a subsonic rifle. hmm? Any one want to comment?
Body armor is designed for specific impact energies, so it depends on the gun/bullet. A .50 cal high velocity bullet at 1/2 mile would barely even notice a kevlar vest and would go through your body like it wasn't even there.Originally posted by Link
Do you think body armours would do the work protecting u if someone snipes you from let's say, 1/2 miles distance? They are designed for it right?
Originally posted by Njorl
If I hear about anybody in body armor getting sniped with a subsonic rifle, I'm going to forward this to the FBI.
Njorl
Originally posted by Link
This kevlar armour is getting interesting... can someone explain how the material can protect you from a supersonic bullet with just a few inches of thickness? According to Newtons third law, no matter how strong the armour is,the force can't be eliminated, right?
Yes, the breaking of the sound barrier by the bullet is what causes the "sonic boom" sound. This is due to the sudden change in air pressure and temperature as the bullet travels faster than the speed of sound.
The speed of the bullet has a direct impact on the intensity of the sonic boom. The faster the bullet travels, the louder the boom will be.
The "sonic boom" sound itself is not harmful to humans. However, the sudden change in air pressure and temperature can potentially cause damage to structures or objects in the surrounding area.
Aside from the speed of the bullet, other factors such as atmospheric conditions, altitude, and the shape of the object can also affect the loudness of the sonic boom.
Yes, the sonic boom sound can still be heard even if the bullet is fired at a great distance. However, the intensity of the sound will decrease as the distance increases.